Newport Beach

Promontory Bay Custom Real Estate

Promontory Bay Custom is a community of single-family homes in Newport Beach, CA 92660. Many of its homes date from the 1970s, with 4 bedrooms and about 3,800 to 4,500 square feet. The community is in the Newport-Mesa Unified School District. The MLS has recorded 24 sales here since 2012. The latest sale in the list below closed in January 2026 at $7,600,000.

One single-family home is for sale in Promontory Bay Custom, Newport Beach. It is a 4-bedroom home.

1 Home for sale

$9,628,000 Median asking price

1 Closing in 12 months

Promontory Bay Custom Homes for Sale

Pending

$9,628,000

Single Family ResidencePending

4Beds5Baths4,440SqFt

500 Harbor Island DriveNewport Beach, CA 92660Promontory Bay Custom

Homes for Sale Near Promontory Bay Custom

Active Under Contract

$3,850,000

Single Family ResidenceActive Under Contract

4Beds5Baths2,502SqFt

51 BeaconNewport Beach, CA 92660Beacon Bay

$22,995,000

Single Family ResidenceActive

3Beds4Baths4,684SqFt

12 Harbor IslandNewport Beach, CA 92660Harbor Island

$59,000,000

Single Family ResidenceActive

6Beds5Baths3,600SqFt

20 Harbor IslandNewport Beach, CA 92660Harbor Island

$589,000

Manufactured HomeActive

2Beds2Baths1,224SqFt

203 TremontNewport Beach, CA 92660

$589,000

Manufactured HomeActive

3Beds2Baths1,087SqFt

319 ConcordNewport Beach, CA 92660

$799,000

Manufactured HomeActive

2Beds2Baths1,100SqFt

286 MayflowerNewport Beach, CA 92660Bayside Village

Recent Sales in Promontory Bay Custom

1 closing recorded in the MLS over the last twelve months.

$7,600,000

Single Family ResidenceSold

4Beds5Baths3,337SqFt

612 Harbor Island DriveNewport Beach, CA 92660Promontory Bay Custom

Earlier Sales in Promontory Bay Custom

Recorded sales in Promontory Bay Custom before the last twelve months, newest first. Source: CRMLS.
Closed	Price	Beds	Baths	Sq ft	Home
Jun 16, 2025	$13,500,000	5	6	4,359	5-bed single-family home, $13,500,000
Apr 14, 2025	$8,400,000	4	5	4,468	4-bed single-family home, $8,400,000
Jun 18, 2024	$9,458,750	3	5	3,523	3-bed single-family home, $9,458,750
Apr 24, 2023	$6,505,000	4	4	3,762	4-bed single-family home, $6,505,000
Apr 20, 2023	$7,100,000	4	5	4,141	4-bed single-family home, $7,100,000
Sep 30, 2022	$7,850,000	4	5	4,159	4-bed single-family home, $7,850,000
Feb 9, 2022	$7,200,000	3	5	4,046	3-bed single-family home, $7,200,000
Jul 3, 2019	$4,525,000	5	4	4,643	5-bed single-family home, $4,525,000
Aug 14, 2017	$4,000,000	5	5	5,000	5-bed single-family home, $4,000,000
Dec 29, 2016	$4,800,000	4	4	5,343	4-bed single-family home, $4,800,000

Promontory Bay Custom Sales by Year

Recorded sales by year of closing since 2012. A year with no recorded sale shows 0. 2026 counts the sales recorded by Nov 11, 2026. Medians leave out lot sales and print only for a year with 5 or more home sales. Each year links to its recorded sales. Source: CRMLS.
Year	Sales
2026 to date	1
2025	3
2024	1
2023	2
2022	2
2021	2
2020	0
2019	1
2018	1
2017	2
2016	3
2015	3
2014	1
2013	1
2012	1

A Typical Home in Promontory Bay Custom

Home types: Single-family homes 100%
Bedrooms: 4
Living area: 3,800 to 4,468 sq ft
Year built: 1976 to 1995
Lot size: 5,000 sq ft
Private pool: 8% of single-family homes
Scenic view: 100% of homes

Each range is the middle half of the homes that report it, among the 17 homes sold since 2012 or for sale now in Promontory Bay Custom. The pool share counts single-family homes for sale now or sold since 2017. A scenic view is a water, hill, mountain, canyon, valley, bluff, city-lights, golf-course or panoramic view. Source: CRMLS.